They are everywhere because they recently multiplied. Most of them will be around until the end of August. Some until the end of September. But fear not, it’s just another sign (ha!) that the Olympic Games are around the corner.

St James’s Park, Piccadilly entrance

However, I do feel sorry for the baffled tourists who came to see London and end up peeking through holes in fences, bump into hoardings, scaffolds, rubber paths, and yellow signs.